/*
 * Copyright 2011 Clean GWT
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.cleangwt.json.client;

import com.google.gwt.json.client.JSONBoolean;
import com.google.gwt.json.client.JSONValue;

/**
 * The {@link Boolean} json serializer.
 * 
 * @author Jess
 * @version 1.0
 * @since 1.0
 */
public class BooleanSerializer extends JsonValueSerializer<Boolean> {
  private static BooleanSerializer impl;

  /**
   * @return the instance of {@link Boolean} serializer
   */
  public static BooleanSerializer get() {
    if (impl == null) {
      impl = new BooleanSerializer();
    }
    return impl;
  }

  private BooleanSerializer() {
  }

  @Override
  public JSONValue toJson(Boolean value) {
    return JSONBoolean.getInstance(value);
  }
}
